13065900 has 72 divisors (see below), whose sum is σ = 38278800. Its totient is φ = 3440640.

The previous prime is 13065883. The next prime is 13065919. The reversal of 13065900 is 956031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28876 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (531650).

Almost surely, 2^13065900 is an apocalyptic number.

13065900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13065900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19139400).

13065900 is an abundant number, since it is smaller than the sum of its proper divisors (25212900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13065900 is a wasteful number, since it uses less digits than its factorization.

13065900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 13065900 is about 3614.6784089321. The cubic root of 13065900 is about 235.5301145671.

The spelling of 13065900 in words is "thirteen million, sixty-five thousand, nine hundred".